Assignee
No assignee recorded.
Inventors
- Fumiaki Sato (118 patents)
- Shigeru Suemori (7 patents)
- Hiroki Ishikawa (120 patents)
- Masahiko Ishikawa (25 patents)
- Fumikazu YOSHIZAWA (3 patents)
US Patent 11181709 · Granted Nov 23, 2021
No assignee recorded.